Specialty Archery Versa2 Rheostat Fiber Ring .020 Green w/ Red & Blue Included Allows the user toÿadjust Glow Pin brightnessÿfor individual target presentations;Rheostat Fiber Rings can also be used without a Glow Pin;Turn the cover toÿexpose more fiber to increase pin brightness, cover up more fiber to reduce pin brightness;Comes withÿgreenÿfiber installed, but also includesÿredÿandÿblueÿfiber
